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// Copyright 2014 PDFium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
#ifndef XFA_FWL_CFWL_WIDGETMGR_H_
#define XFA_FWL_CFWL_WIDGETMGR_H_
#include <map>
#include <memory>
#include <vector>
#include "core/fxcrt/fx_system.h"
#include "xfa/fxgraphics/cxfa_graphics.h"
#define FWL_WGTMGR_DisableForm 0x00000002
class CFWL_Message;
class CXFA_FFApp;
class CXFA_FWLAdapterWidgetMgr;
class CXFA_Graphics;
class CFX_Matrix;
class CFWL_Widget;
class CFWL_WidgetMgr {
public:
explicit CFWL_WidgetMgr(CXFA_FFApp* pAdapterNative);
~CFWL_WidgetMgr();
void OnProcessMessageToForm(CFWL_Message* pMessage);
void OnDrawWidget(CFWL_Widget* pWidget,
CXFA_Graphics* pGraphics,
const CFX_Matrix& matrix);
CFWL_Widget* GetParentWidget(CFWL_Widget* pWidget) const;
CFWL_Widget* GetOwnerWidget(CFWL_Widget* pWidget) const;
CFWL_Widget* GetNextSiblingWidget(CFWL_Widget* pWidget) const;
CFWL_Widget* GetFirstChildWidget(CFWL_Widget* pWidget) const;
CFWL_Widget* GetSystemFormWidget(CFWL_Widget* pWidget) const;
void RepaintWidget(CFWL_Widget* pWidget, const CFX_RectF& pRect);
void InsertWidget(CFWL_Widget* pParent, CFWL_Widget* pChild);
void RemoveWidget(CFWL_Widget* pWidget);
void SetOwner(CFWL_Widget* pOwner, CFWL_Widget* pOwned);
void SetParent(CFWL_Widget* pParent, CFWL_Widget* pChild);
CFWL_Widget* GetWidgetAtPoint(CFWL_Widget* pParent,
const CFX_PointF& point) const;
CFWL_Widget* NextTab(CFWL_Widget* parent, CFWL_Widget* focus, bool& bFind);
std::vector<CFWL_Widget*> GetSameGroupRadioButton(
CFWL_Widget* pRadioButton) const;
CFWL_Widget* GetDefaultButton(CFWL_Widget* pParent) const;
void AddRedrawCounts(CFWL_Widget* pWidget);
bool IsFormDisabled() const {
return !!(m_dwCapability & FWL_WGTMGR_DisableForm);
}
void GetAdapterPopupPos(CFWL_Widget* pWidget,
float fMinHeight,
float fMaxHeight,
const CFX_RectF& rtAnchor,
CFX_RectF& rtPopup) const;
private:
class Item {
public:
Item();
explicit Item(CFWL_Widget* widget);
~Item();
Item* pParent;
Item* pOwner;
Item* pChild;
Item* pPrevious;
Item* pNext;
CFWL_Widget* const pWidget;
std::unique_ptr<CXFA_Graphics> pOffscreen;
int32_t iRedrawCounter;
#if _FX_PLATFORM_ == _FX_PLATFORM_WINDOWS_
bool bOutsideChanged;
#endif // _FX_PLATFORM_ == _FX_PLATFORM_WINDOWS_
};
CFWL_Widget* GetFirstSiblingWidget(CFWL_Widget* pWidget) const;
CFWL_Widget* GetPriorSiblingWidget(CFWL_Widget* pWidget) const;
CFWL_Widget* GetLastChildWidget(CFWL_Widget* pWidget) const;
Item* GetWidgetMgrItem(CFWL_Widget* pWidget) const;
void AppendWidget(CFWL_Widget* pWidget);
int32_t CountRadioButtonGroup(CFWL_Widget* pFirst) const;
CFWL_Widget* GetRadioButtonGroupHeader(CFWL_Widget* pRadioButton) const;
void ResetRedrawCounts(CFWL_Widget* pWidget);
void DrawChild(CFWL_Widget* pParent,
const CFX_RectF& rtClip,
CXFA_Graphics* pGraphics,
const CFX_Matrix* pMatrix);
CXFA_Graphics* DrawWidgetBefore(CFWL_Widget* pWidget,
CXFA_Graphics* pGraphics,
const CFX_Matrix* pMatrix);
bool IsNeedRepaint(CFWL_Widget* pWidget,
CFX_Matrix* pMatrix,
const CFX_RectF& rtDirty);
bool IsAbleNative(CFWL_Widget* pWidget) const;
uint32_t m_dwCapability;
std::map<CFWL_Widget*, std::unique_ptr<Item>> m_mapWidgetItem;
UnownedPtr<CXFA_FWLAdapterWidgetMgr> const m_pAdapter;
#if _FX_PLATFORM_ == _FX_PLATFORM_WINDOWS_
CFX_RectF m_rtScreen;
#endif // _FX_PLATFORM_ == _FX_PLATFORM_WINDOWS_
};
#endif // XFA_FWL_CFWL_WIDGETMGR_H_
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